Matt board corner sample



FIG. 1 is a top left perspective of the matt board corner sample;

FIG. 2 is a front elevation, the bottom plan view being identical, ofthe matt board corner sample;

FIG. 3 is a rear elevation, the top plan view being identical, of thematt board corner sample; and,

FIG. 4 is a right side elevation, the left side being a mirror imagethereof, of the matt board corner sample.

The ornamental design for a matt board corner sample, as shown anddescribed.